Querer (to want) is an ‘ie’ stem-changing verb.
Querer can be used with an infinitive:
Quiero ir al cine. -> I want to goto the cinema.
¿Quieres salir mañana? -> Do you want to go out tomorrow?

quiero I want
quieres you want (singular)
quiere he/she/it wants
queremos we want
queréis you want (plural)
quieren they want